CVE-2018-18593 in Configuration Management Service
Summary
by MITRE
Remote Directory Traversal and Remote Disclosure of Privileged Information in UCMDB Configuration Management Service, version 10.22, 10.22 CUP1, 10.22 CUP2, 10.22 CUP3, 10.22 CUP4, 10.22 CUP5, 10.22 CUP6, 10.22 CUP7, 10.33, 10.33 CUP1, 10.33 CUP2, 10.33 CUP3, 2018.02, 2018.05, 2018.08, 2018.11. The vulnerabilities could allow Remote Directory Traversal and Remote Disclosure of Privileged Information
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 06/22/2023
The vulnerability identified as CVE-2018-18593 represents a critical security flaw in the UCMDB Configuration Management Service affecting multiple versions including 10.22 through 10.33 and various CUP releases along with 2018.02 through 2018.11. This vulnerability manifests as a remote directory traversal issue that allows unauthorized users to access files and directories that should normally be restricted to privileged users. The affected service operates within enterprise environments where configuration management data is critical for system integrity and security operations. The directory traversal capability enables attackers to navigate through the file system hierarchy and access sensitive configuration files, system credentials, and other privileged information that should remain protected within the application's secure boundaries.
The technical implementation of this vulnerability stems from insufficient input validation and improper path handling within the UCMDB service components. Attackers can exploit this weakness by crafting malicious requests that include directory traversal sequences such as ../ or ..\ in file access parameters. This flaw aligns with CWE-22 which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The vulnerability allows unauthorized remote access to system resources that should only be available to authenticated administrators or system processes. The service's configuration management capabilities make it particularly attractive to attackers since it often contains sensitive data about network infrastructure, system configurations, and potentially credentials that could be leveraged for further attacks within the enterprise environment.
The operational impact of this vulnerability extends beyond simple information disclosure as it creates opportunities for attackers to escalate privileges and gain deeper access to the underlying system infrastructure. When combined with other attack vectors, this vulnerability could enable attackers to access system-level configuration files, database connection strings, encryption keys, and other sensitive data that would typically require administrative privileges to access. The implications are particularly severe in enterprise environments where UCMDB serves as a central repository for configuration management data across complex network infrastructures. The vulnerability affects the confidentiality and integrity of the system by allowing unauthorized access to privileged information that should remain protected within the application's secure boundaries. This weakness can also facilitate other attack patterns including privilege escalation, lateral movement, and potentially complete system compromise when combined with additional vulnerabilities.
Security mitigations for CVE-2018-18593 should focus on implementing proper input validation and output encoding mechanisms within the UCMDB service components. Organizations should immediately apply the vendor-provided patches and updates to address the directory traversal vulnerability. Network segmentation and access controls should be implemented to limit exposure of the UCMDB service to only trusted networks and users. The implementation of web application firewalls and intrusion detection systems can help monitor and prevent exploitation attempts. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other enterprise applications. Organizations should also consider implementing principle of least privilege access controls and regular audit logging to detect unauthorized access attempts. The vulnerability demonstrates the importance of proper input sanitization and path validation as outlined in various security frameworks including the OWASP Top Ten and NIST cybersecurity guidelines. This issue highlights the need for comprehensive security testing during software development lifecycle phases and the importance of maintaining up-to-date security patches across all enterprise systems. The ATT&CK framework categorizes this vulnerability under privilege escalation and credential access tactics where adversaries seek to obtain elevated system privileges through exploitation of software vulnerabilities.